Bug #27395 OPTION_STATUS_NO_TRANS_UPDATE is not preserved at the end of SF()

thd->options' OPTION_STATUS_NO_TRANS_UPDATE bit was not restored at the end of SF() invocation, where
SF() modified non-ta table.
As the result of this artifact it was not possible to detect whether there were any side-effects when
top-level query ends. 
If the top level query table was not modified and the bit is lost there would be no binlogging.

Fixed with preserving the bit inside of thd->no_trans_update struct. The struct agregates two bool flags
telling whether the current query and the current transaction modified any non-ta table.
The flags stmt, all are dropped at the end of the query and the transaction.

1 files changed, 1 insertions, 1 deletions

diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index 14b9e0aa25d..98b12cc1de4 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -3968,7 +3968,7 @@ copy_data_between_tables(TABLE *from,TABLE *to,
   alter_table_manage_keys(to, from->file->indexes_are_disabled(), keys_onoff);
 
   /* We can abort alter table for any table type */
-  thd->no_trans_update= 0;
+  thd->no_trans_update.stmt= FALSE;
   thd->abort_on_warning= !ignore && test(thd->variables.sql_mode &
                                          (MODE_STRICT_TRANS_TABLES |
                                           MODE_STRICT_ALL_TABLES));